Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801720 | Azetidinone disulfides and a ring opening process for preparing the same | Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Norio Saito, Takashi Siroi | 1989-01-31 |
| 4798890 | Process for preparation of azetidinone derivatives | Hideo Tanaka, Michio Sasaoka, Takashi Shiroi | 1989-01-17 |
| 4789740 | Halogenation process for preparing 2-(oxoazetidinyl)-3-chloromethyl-3-butenoate | Hideo Tanaka, Yuzuru Ogata, Michio Sasaoka, Norio Saito, Shigemitsu Nagao | 1988-12-06 |
| 4784734 | Azetidinone derivatives and process for the preparation of the same | Kenji Uneyama, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Norio Saito +1 more | 1988-11-15 |
| 4740596 | Process for preparation of 4-sulfonylthio azetidinone derivatives | Hideo Tanaka, Michio Sasaoka, Shigemitsu Nagao | 1988-04-26 |
| 4713452 | Process for preparation of azetidinone derivatives | Hideo Tanaka, Michio Sasaoka, Seiryu Uto, Syozo Hayase | 1987-12-15 |
| 4689411 | 4-thio azetidinone intermediates and process for the preparation of the same | Kenji Uneyama, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Norio Saito +1 more | 1987-08-25 |
| 4629542 | Process for preparing 3-exomethylenecepham derivatives | Hideo Tanaka, Michio Sasaoka, Yutaka Kameyama | 1986-12-16 |
| 4609438 | Process for preparing thiosulfonate derivatives | Hideo Tanaka, Michio Sasaoka, Seiryu Uto, Yutaka Kameyama | 1986-09-02 |
| 4603014 | Thiazolinoazetidinone derivatives and process for the preparation of the same | Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Norio Saito, Takashi Shiroi +1 more | 1986-07-29 |
| 4599151 | Process for preparing 2,2-bishalomethylpenam derivatives | Hideo Tanaka, Michio Sasaoka, Takashi Shiroi, Seiryu Uto | 1986-07-08 |
| 4588835 | Process for preparing alkoxyphenols | Hideo Tanaka, Mitsuo Akada | 1986-05-13 |
| 4566996 | Process for preparing azetidinone derivatives | Hideo Tanaka, Takashi Shiroi, Michio Sasaoka, Norio Saito, Kiyotoshi Matsumura | 1986-01-28 |
| 4532077 | Thiazolineazetidinone-type compounds | Kenji Uneyama, Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Norio Saito | 1985-07-30 |
| 4499265 | Process for preparing 3-exo-methylenecepham derivatives | Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Norio Saito, Michio Sasaoka | 1985-02-12 |
| 4482435 | Process for preparing thiazolidine compounds | Hideo Tanaka, Takashi Shiroi | 1984-11-13 |
| 4482491 | Thiazolinoazetidinone derivatives and process for the preparation of the same | Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Norio Saito, Takashi Shiroi +1 more | 1984-11-13 |
| 4470887 | Process for preparing thiazolinoazetidinone derivatives | Hideo Tanaka, Norio Saito | 1984-09-11 |
| 4464237 | Process for preparing .beta.-lactam derivatives | Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Michio Sasaoka, Norio Saito | 1984-08-07 |
| 4401528 | Process for preparing 2-oxycephalosporin derivatives | Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Norio Saito, Michio Sasaoka | 1983-08-30 |
| 4392923 | Process for preparing thiazolinozetidinone derivatives | Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Norio Saito, Takashi Shiroi | 1983-07-12 |
| 4379032 | Process for preparing oxazolineazetidinone derivatives | Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Norio Saito, Michio Sasaoka | 1983-04-05 |
| 4336202 | 1,3-Cyclohexanedione derivatives | Kenji Uneyama, Takashi Onishi, Yoshiji Fujita, Michihiro Ishiguro, Takashi Nishida | 1982-06-22 |
| 4238615 | Cyclopentanone intermediates 2-(benzothiazolyl-2) | Hideo Tanaka, Toshihiro Kudai | 1980-12-09 |
| 4237308 | Process for preparing 2-cyclopentenone derivative and perfume composition containing the derivative | Hideo Tanaka, Yuichi Kobayashi | 1980-12-02 |